| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [prep] [art] | 861238 |
|
| 2 | [v-ing] [prep] [art] | 118164 |
|
| 3 | happen [prep] [art] | 3058 |
|
| 4 | happening [prep] [art] | 532 |
|
